import cpw.mods.fml.client.config.GuiButtonExt; //导入依赖的package包/类
@Override
public void initGui() {
    buttonDone = new GuiButtonExt(0, width / 2 - 100, height / 2 - 100, 200, 20, I18n.format("gui.done", new Object[0]));
    buttonYesOnlyAfterEvent = new GuiButtonExt(1, buttonDone.xPosition, buttonDone.yPosition + 22, 30, 20, Lang.get("ui.yes"));
    buttonNoOnlyAfterEvent = new GuiButtonExt(1, buttonDone.xPosition + 32, buttonDone.yPosition + 22, 30, 20, Lang.get("ui.no"));

    textFieldEvent = new GuiTextField(mc.fontRenderer, width / 2 - 100 + 64, height / 2 - 100 + 22, 200 - 64, 20);
    textFieldEvent.setText(getTile().eventWaitFor);

    if (getTile().deactivatedUntilEvent) {
        buttonNoOnlyAfterEvent.enabled = true;
        buttonYesOnlyAfterEvent.enabled = false;
    } else {
        buttonNoOnlyAfterEvent.enabled = false;
        buttonYesOnlyAfterEvent.enabled = true;
        textFieldEvent.setEnabled(false);
    }

    this.buttonList.add(buttonDone);
    this.buttonList.add(buttonYesOnlyAfterEvent);
    this.buttonList.add(buttonNoOnlyAfterEvent);
}